4224220036 has 9 divisors (see below), whose sum is σ = 7392612549. Its totient is φ = 2112045024.

The previous prime is 4224220019. The next prime is 4224220067. The reversal of 4224220036 is 6300224224.

The square root of 4224220036 is 64994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3470388100 + 753831936 = 58910^2 + 27456^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 113740 + ... + 146236.

Almost surely, 2^4224220036 is an apocalyptic number.

4224220036 is the 64994-th square number.

It is an amenable number.

4224220036 is a deficient number, since it is larger than the sum of its proper divisors (3168392513).

4224220036 is an frugal number, since it uses more digits than its factorization.

4224220036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64998 (or 32499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The cubic root of 4224220036 is about 1616.5240765206.

Multiplying 4224220036 by its sum of digits (25), we get a square (105605500900 = 324970²).

The spelling of 4224220036 in words is "four billion, two hundred twenty-four million, two hundred twenty thousand, thirty-six".